Table 7.
Differences in Demographics and Comorbidities Between White and African American Participants
| Characteristic | White Participants (n=1144) | African American Participants (n=998) | P Value |
|---|---|---|---|
| Age, y | 54±13 | 48±13 | <0.001 |
| Female, n (%) | 588 (51) | 660 (66) | <0.001 |
| Recruiting center, n (%) | <0.001 | ||
| Birmingham, AL | 3 (<1) | 587 (59) | |
| Minneapolis, MN | 425 (37) | 0 (0) | |
| Forsyth County, NC | 584 (51) | 0 (0) | |
| Salt Lake City, UT | 132 (12) | 411 (41) | |
| Number of comorbidities, n (%) | 0.43 | ||
| 0 | 172 (15) | 131 (13) | |
| 1 | 267 (23) | 247 (25) | |
| 2 | 299 (26) | 285 (29) | |
| 3 | 243 (21) | 206 (21) | |
| 4 | 130 (11) | 96 (10) | |
| 5+ | 33 (3) | 33 (3) | |
| Average number of comorbidities | 2.0±1.3 | 2.0±1.3 | 0.58 |
| Individual comorbidities, n (%) | |||
| Hypertension | 624 (55) | 620 (63) | <0.001 |
| Dyslipidemia | 798 (70) | 507 (51) | <0.001 |
| Obesity | 494 (43) | 523 (52) | <0.001 |
| Diabetes mellitus | 160 (14) | 205 (21) | <0.001 |
| Chronic kidney disease | 141 (12) | 56 (6) | <0.001 |
| Myocardial infarction | 74 (6) | 57 (6) | 0.46 |
| Transient ischemic attack or stroke | 38 (3) | 58 (6) | 0.005 |